Using a double labeling indirect immunofluorescent technique, we studied the guinea pig trigeminal ganglion and eye for co-localization of substance P and calcitonin gene-related peptide. In the trigeminal ganglion, the number of neurons immunoreactive for calcitonin gene-related peptide significantly outnumber those immunoreactive for substance P, but virtually all substance P positive neurons...

Background: Inattention to symptoms of mental disorders and substance abuse in patients with HIV/AIDS and other at-risk groups, may lead to irreversible damages. The purpose of this study was to compare the psychopathological dimensions in substance abusers with and without HIV/AIDS and healthy matched groups. Methods: In a cross-sectional and analytical study, selected samples (by available, c...